原文：
　一、三精 电动阀通电后不工作 　　检查电源接线是否不良→重新接线和接插件的连接 　　检查电源电压是否在±工作范围-→调致正常位置范围 　　线圈是否脱焊→重新焊接 　　线圈短路→更换线圈 　　工作压差是否不合适→调整压差→或更换相称的电动阀 　　流体温度过高→更换相称的电动阀 　　有杂质使电动阀的主阀芯和动铁芯卡死→进行清洗,如有密封损坏应更换密封并安装过滤器 　　液体粘度太大,频率太高和寿命已到→更换产品 二、电动阀不能关闭 　　主阀芯或铁动芯的密封件已损坏→更换密封件 　　流体温度、粘度是否过高→更换对口的电动阀 　　有杂质进入电动阀产阀芯或动铁芯→进行清洗 　　弹簧寿命已到或变形→更换 　　节流孔平衡孔堵塞→及时清洗 　　工作频率太高或寿命已到→改选产品或更新产品 三、其它情况 　　内泄漏→检查密封件是否损坏,弹簧是否装配不良 　　外泄漏→连接处松动或密封件已坏→紧螺丝或更换密封件 　　通电时有噪声→头子上坚固件松动,拧紧。电压波动不在允许范围内，调整好电压。铁芯吸合面杂质或不平，及时清洗或更换。

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译文：
A, c intensive electric valves do not work after powering Check the power wiring is bad → re-wiring and connectors to connect Check the power supply voltage range of ± work - → range of adjustment caused by the normal position → re-soldering the coil is loose weld Coil short circuit to replace the coil → Working pressure is not appropriate to adjust pressure → → commensurate with electric valve replacement → change fluid temperature too high proportion of the electric valve Impurities to the main electric valve spool and moving core card dead → cleaning, should be replaced if damaged seals and install the filter seal Too much liquid viscosity, the frequency is too high, and life has come to replace the product → Second, the electric valve can not close Moving the main spool or iron core → replace damaged seals seals Fluid temperature, viscosity is too high → counterpart electric valve replacement Impurities into the electric valve spool or moving core capacity washing → Spring life has to change or distortion → Throttle Kong Pingheng hole plug → timely cleaning Operating frequency is too high, or life has been to re-election of products or products → Three other cases → Check the seals within the leak is damaged, whether the assembly of non-performing spring Junction leakage → outer seal is broken or loose → screws or replace seals Noise power when the head of the solid parts → loose, tighten. Voltage fluctuations are not allowed within the adjust voltage. Core pull impurities or uneven surface, timely cleaning or replacement.